12554172 has 36 divisors (see below), whose sum is σ = 31887856. Its totient is φ = 4164480.

The previous prime is 12554167. The next prime is 12554173. The reversal of 12554172 is 27145521.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12554173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7953 + ... + 9399.

Almost surely, 2^12554172 is an apocalyptic number.

12554172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12554172 is an abundant number, since it is smaller than the sum of its proper divisors (19333684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12554172 is a wasteful number, since it uses less digits than its factorization.

12554172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1693 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 12554172 is about 3543.1867012620. The cubic root of 12554172 is about 232.4142173999.

Adding to 12554172 its reverse (27145521), we get a palindrome (39699693).

The spelling of 12554172 in words is "twelve million, five hundred fifty-four thousand, one hundred seventy-two".